. Author manuscript; available in PMC: 2023 Apr 14.

Published in final edited form as: Elem Sch J. 2021 Feb 4;121(3):484–503. doi: 10.1086/712426

Table 4.

Tests of Robustness

	Spring K	Spring 1	Spring 2	Spring 3
	A. Removing Students with Zero Absences
Outcome: W ability score:
Classroom fixed effects	−2.03^⋆ (.95)	−1.98^⋆ (.96)	−1.84^⋆ (1.09)	−1.33 (1.11)
Outcome: DCCS:
Classroom fixed effects	−.18⁺ (.11)	.00 (.09)	−.03 (.06)	−.06 (.08)
	B. Days Absent
Outcome: W ability score:
Classroom fixed effects	−.45^⋆⋆ (.14)	−.45^⋆⋆ (.14)	−.53^⋆⋆⋆ (.15)	−.38^⋆ (.16)
Outcome: DCCS:
Classroom fixed effects	−.02^⋆ (.01)	−.02^⋆ (.01)	−.04^⋆⋆⋆ (.01)	−.03^⋆⋆ (.01)

Note.—DCCS = Dimensional Change Card Sort; standard errors adjusted for clustering in parentheses.

⁺

p < .10.

^⋆

p < .05.

^⋆⋆

p < .01.

^⋆⋆⋆

p < .001.